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Finding the Fourth Proportional to 888,709.04, 1,333,201.80 and 289,530.71

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Solution

The fourth proportional to 888,709.04, 1,333,201.80 and 289,530.71 is: 434,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,709.04 : 1,333,201.80 = 289,530.71 : x
  2. Step 2: Convert to fraction form
    888,709.04/1,333,201.80 = 289,530.71/x
  3. Step 3: Cross multiply
    888,709.04x = 1,333,201.80 × 289,530.71
  4. Step 4: Simplify right side
    888,709.04x = 386,002,863,727.28
  5. Step 5: Solve for x
    x = 386,002,863,727.28/888,709.04
  6. Step 6: Final answer
    x = 434,341.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.